We are interested in american type bourdon manometer fire extinguisher gauges with certificates as shown in your photos with P.S.I rating 195 approx 23-23mm size to be used on ABC dry powder extinguishers, we have problems with our present gauges sticking in FULL position. approx. 2000 -5000pcs.Please provide M.O.Q. and best export price in U.S.dollars.MUST HAVE CERTIFICATE. many thanks KEITH BARCANT
